Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a halt ...

But this land, even during the Middle Devonian period, was never submerged under ... forests and their impact on global processes such as climate, river geometry, and nutrient cycling during ...

Yet, even during the Middle Devonian period, this land had never been covered ... forests and their impact on global processes such as climate, river geometry, and nutrient cycling during the ...